DE3704076A1 - Leiter und verfahren zu ihrer herstellung - Google Patents

Leiter und verfahren zu ihrer herstellung

Info

Publication number
DE3704076A1
DE3704076A1 DE19873704076 DE3704076A DE3704076A1 DE 3704076 A1 DE3704076 A1 DE 3704076A1 DE 19873704076 DE19873704076 DE 19873704076 DE 3704076 A DE3704076 A DE 3704076A DE 3704076 A1 DE3704076 A1 DE 3704076A1
Authority
DE
Germany
Prior art keywords
end ring
rung
spar
sleeve
openings
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
DE19873704076
Other languages
German (de)
English (en)
Inventor
Richard L Werner
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Werner Co
RD Werner Co Inc
Original Assignee
Werner Co
RD Werner Co Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Werner Co, RD Werner Co Inc filed Critical Werner Co
Publication of DE3704076A1 publication Critical patent/DE3704076A1/de
Ceased legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C7/00—Component parts, supporting parts, or accessories
    • E06C7/08—Special construction of longitudinal members, or rungs or other treads
    • E06C7/082—Connections between rungs or treads and longitudinal members
    • E06C7/085—Connections between rungs or treads and longitudinal members achieved by deforming the rung or the stile
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
    • B21D39/06—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of tubes in openings, e.g. rolling-in
    • B21D39/063—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of tubes in openings, e.g. rolling-in for assembling ladders
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C7/00—Component parts, supporting parts, or accessories
    • E06C7/08—Special construction of longitudinal members, or rungs or other treads
    • E06C7/082—Connections between rungs or treads and longitudinal members
    • E06C7/087—Connections between rungs or treads and longitudinal members with a connecting piece installed around the rung
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49908—Joining by deforming
    • Y10T29/49915—Overedge assembling of seated part
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49908—Joining by deforming
    • Y10T29/49915—Overedge assembling of seated part
    • Y10T29/4992—Overedge assembling of seated part by flaring inserted cup or tube end
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49908—Joining by deforming
    • Y10T29/49938—Radially expanding part in cavity, aperture, or hollow body
    • Y10T29/4994—Radially expanding internal tube

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ladders (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
DE19873704076 1984-11-19 1987-02-10 Leiter und verfahren zu ihrer herstellung Ceased DE3704076A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/672,992 US4656721A (en) 1984-11-19 1984-11-19 Apparatus and methods for making rail-to-rung joints for ladders and joints for other structural elements

Publications (1)

Publication Number Publication Date
DE3704076A1 true DE3704076A1 (de) 1988-08-18

Family

ID=24700877

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19873704076 Ceased DE3704076A1 (de) 1984-11-19 1987-02-10 Leiter und verfahren zu ihrer herstellung

Country Status (10)

Country Link
US (1) US4656721A (fr)
JP (1) JPS61122388A (fr)
AU (1) AU593060B2 (fr)
BE (1) BE1000132A3 (fr)
DE (1) DE3704076A1 (fr)
FR (1) FR2611802A1 (fr)
GB (1) GB2200678B (fr)
LU (1) LU86795A1 (fr)
NL (1) NL8700435A (fr)
SE (1) SE8500783L (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4334230A1 (de) * 1993-06-30 1995-01-12 Austria Metall Verfahren zum Befestigen eines Profilteils in einem das Profilteil umgreifenden Hohlprofil

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4656721A (en) * 1984-11-19 1987-04-14 R. D. Werner Co., Inc. Apparatus and methods for making rail-to-rung joints for ladders and joints for other structural elements
US5170552A (en) * 1989-09-28 1992-12-15 Emerson Electric Co. Method of manufacturing a rolling tower scaffold
US5069309A (en) * 1989-09-28 1991-12-03 Emerson Electric Co. Rolling tower scaffold and method and tooling apparatus for manufacturing the same
AU626739B2 (en) * 1990-08-29 1992-08-06 Hills Industries Limited Four swages in two operations per cycle swaging machine
GB2253455B (en) * 1991-02-20 1994-08-31 Michael Patrick Walsh The joining of first and second members at least one of which is a fibreglass member
US5161783A (en) * 1991-10-04 1992-11-10 German Rex L Fence rail connection
US5786804A (en) 1995-10-06 1998-07-28 Hewlett-Packard Company Method and system for tracking attitude
FR2743317B1 (fr) * 1996-01-10 1998-03-20 Vallourec Vitry Procede pour l'emmanchement en croix d'une piece au moins localement cylindrique dans une piece tubulaire, outillage propre a la mise en oeuvre de ce procede, et ensemble de deux pieces emmanchees en croix suivant celui-ci
US5769499A (en) * 1996-06-07 1998-06-23 Lear Corporation Motor vehicle seat
GB9708394D0 (en) * 1997-04-25 1997-06-18 Petersen Horst U Securement of head rest support into automobile seat frame
US5956847A (en) * 1998-06-23 1999-09-28 Redman; Robert J. Method for manufacturing a fluid coupling apparatus
US6609301B1 (en) * 1999-09-08 2003-08-26 Magna International Inc. Reinforced hydroformed members and methods of making the same
US6290213B1 (en) * 1999-12-09 2001-09-18 Wildeck Mezzanines, Inc. Modular rail assembly
US6755281B2 (en) 2002-01-13 2004-06-29 Intex Recreation Corp. Swimming pool ladder
CA2370811A1 (fr) 2002-02-06 2003-08-06 Bill Frenke Structure de chassis de siege et methode de formage
US6866117B2 (en) * 2002-04-05 2005-03-15 Wing Enterprises, Inc. Light weight ladder systems and methods
FR2839122B1 (fr) * 2002-04-26 2008-04-04 Johnson Contr Automotive Elect Procede d'assemblage d'une palette d'actionneur electromagnetique a son poussoir et assemblage obtenu
US7364017B2 (en) 2002-11-11 2008-04-29 Wing Enterprises, Inc. Combination ladder, ladder components and methods of manufacturing same
US7062834B2 (en) * 2003-01-08 2006-06-20 Parker-Hannifin Process of forming two beads
JP2007222877A (ja) * 2006-02-21 2007-09-06 Showa Denko Kk 中空部材同士の接合構造体
US8448748B2 (en) 2008-12-30 2013-05-28 Allred & Associates, Inc. Ultra lightweight segmented ladder/bridge system
US8800718B2 (en) * 2008-12-30 2014-08-12 Allred & Associates Inc. Ultra lightweight segmented ladder/bridge system
DE102013002590A1 (de) * 2013-02-14 2014-08-14 Audi Ag Verfahren zur Herstellung eines Fahrwerkslenkers und Fahrwerkslenker für ein Fahrzeug
US9670726B2 (en) * 2014-05-15 2017-06-06 Kang-Shuo Yeh Multi-purpose ladder with improved rungs
JP2017074601A (ja) * 2015-10-14 2017-04-20 株式会社神戸製鋼所 自動車に取り付けられるフレーム構造体を構成する部材同士の接合方法、および自動車に取り付けられるフレーム構造体
USD833643S1 (en) 2017-07-07 2018-11-13 Tricam Industries, Inc. Integrated ladder tray hook
USD935055S1 (en) 2019-08-07 2021-11-02 Tricam Industries, Inc. Hinge for a multi-position ladder
US11866995B2 (en) * 2019-12-27 2024-01-09 Werner Co. Ladder with box rails having a collar

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3354987A (en) * 1965-09-16 1967-11-28 Werner Co Inc R D Ladders
US3477120A (en) * 1966-08-09 1969-11-11 Werner Co Inc R D Method of making ladder joint
US3500956A (en) * 1968-11-01 1970-03-17 Werner Co Inc R D Ladder constructions
US3528525A (en) * 1967-10-19 1970-09-15 Harold R Lindesmith Ladder constructions
DE1817972B2 (de) * 1967-10-19 1977-01-20 Ausscheidung aus: 18 03 917 R.D. Werner Co. Inc, Greenville, Pa. (V.St.A.) Leiter, insbesondere metalleiter

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2618427A (en) * 1947-03-27 1952-11-18 Hudmon S Langley Ladder
US3327385A (en) * 1963-01-04 1967-06-27 Harsco Corp Method of making ladders
US3318413A (en) * 1965-10-23 1967-05-09 Werner Co Inc R D Ladder joint construction
AU418190B2 (en) * 1967-03-30 1968-10-03 Improvements in ladder constructions
US3566992A (en) * 1970-01-12 1971-03-02 Lewis W Berger Ladder
US4656721A (en) * 1984-11-19 1987-04-14 R. D. Werner Co., Inc. Apparatus and methods for making rail-to-rung joints for ladders and joints for other structural elements

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3354987A (en) * 1965-09-16 1967-11-28 Werner Co Inc R D Ladders
US3477120A (en) * 1966-08-09 1969-11-11 Werner Co Inc R D Method of making ladder joint
DE1679124B2 (de) * 1966-08-09 1976-04-15 R.D. Werner Co. Inc., Greenville, Pa. (V.St.A.) Verfahren zum herstellen einer verbindung zwischen dem holm einer leiter und einer hohlen sprosse und presse zum ausfuehren dieses verfahrens
US3528525A (en) * 1967-10-19 1970-09-15 Harold R Lindesmith Ladder constructions
DE1803918B2 (de) * 1967-10-19 1976-04-08 R.D. Werner Co. Inc., Greenville, Pa. (V.St.A.) Verfahren zum befestigen von leitersprossen und leiter mit einer nach diesem verfahren gebildeten sprossenbefestigung
DE1817972B2 (de) * 1967-10-19 1977-01-20 Ausscheidung aus: 18 03 917 R.D. Werner Co. Inc, Greenville, Pa. (V.St.A.) Leiter, insbesondere metalleiter
US3500956A (en) * 1968-11-01 1970-03-17 Werner Co Inc R D Ladder constructions

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4334230A1 (de) * 1993-06-30 1995-01-12 Austria Metall Verfahren zum Befestigen eines Profilteils in einem das Profilteil umgreifenden Hohlprofil
DE4334230C2 (de) * 1993-06-30 2000-06-29 Euromotive Gmbh Verfahren zum Befestigen eines Profilteils in einem das Profilteil umgreifenden Hohlprofil

Also Published As

Publication number Publication date
GB2200678B (en) 1991-06-19
FR2611802A1 (fr) 1988-09-09
BE1000132A3 (fr) 1988-04-19
JPS61122388A (ja) 1986-06-10
GB2200678A (en) 1988-08-10
NL8700435A (nl) 1988-09-16
SE8500783D0 (sv) 1985-02-19
LU86795A1 (fr) 1988-09-20
AU6861587A (en) 1988-08-11
SE8500783L (sv) 1986-05-20
GB8702244D0 (en) 1987-03-11
US4656721A (en) 1987-04-14
AU593060B2 (en) 1990-02-01

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
8131 Rejection
8128 New person/name/address of the agent

Representative=s name: STREHL, P., DIPL.-ING. DIPL.-WIRTSCH.-ING. SCHUEBE